Home / 28,403,969.40-42,521,973.30-26,743,015.80

Finding the Fourth Proportional to 28,403,969.40, 42,521,973.30 and 26,743,015.80

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Solution

The fourth proportional to 28,403,969.40, 42,521,973.30 and 26,743,015.80 is: 40,035,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,969.40 : 42,521,973.30 = 26,743,015.80 : x
  2. Step 2: Convert to fraction form
    28,403,969.40/42,521,973.30 = 26,743,015.80/x
  3. Step 3: Cross multiply
    28,403,969.40x = 42,521,973.30 × 26,743,015.80
  4. Step 4: Simplify right side
    28,403,969.40x = 1,137,165,803,809,078
  5. Step 5: Solve for x
    x = 1,137,165,803,809,078/28,403,969.40
  6. Step 6: Final answer
    x = 40,035,453.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.